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post #31 of 46 Old 12-17-2019, 05:35 PM
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I'm smack in the middle of Washington State on the Columbia River.


My theater room is about 90% done with 1099's for LCR, Triad surrounds, 4 - volt 6's for atmos, and a recently acquired pair of UM18-22's that I hope to put into service sometime in January (Cyclop 18's).


I have also been intrigued by @BassThatHz 's setup, maybe someday I can get up his way and see it.



Mike
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post #32 of 46 Old 12-17-2019, 06:01 PM
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Im over in the Yakima Valley area, the only thing DIY I have are 2 UM22-18 Full Martys on a Inuke 6000dsp. Ill eventually go all DIY for the 7.2.4 but now I just have OK speakers for the bed speakers and cheap speakers for the atmos. But it doesnt sound too bad for what it is.

7.3.4 Avr: Pioneer SC-95 elite LR: Klipch RF-3 C: RC 52ii Surrounds: Klipch SF-1 and def tech B6p SUBS: 2 UM22-18 Full martys on INuke 6K dsp Atmos: 4 monoprice 8"
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post #33 of 46 Old 12-17-2019, 07:09 PM
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Quote:
Originally Posted by DavidK442 View Post
Joe Brown and Chalugdp (what the heck was his real name again)
Donny Purych

I can't speak for them, but I believe he got tired of holding everyone's hand and spending countless hours making flat packs of various Marty's basically at-cost.

I met both just prior to that GTG to optimize Joe's subs for the GTG.
He had his HPF settings all messed up when I got there, they were set to 25hz (it's like a 15hz tuned ported).

I have to say though, that room had some of the smoothest bass I've measured to-date.
Once I disabled the DSP to measure the raw, I don't think there was even a 1db variance from 15hz to 200hz without eq, due to the small width of that room which made the subs fit in an ideal quarter-wave placement.

All I ended up doing was applying a 6db/oct 20hz HPF, which got him flat to 14hz for the GTG.

His inukes weren't saving settings anymore and producing massive hiss in his room, so he ended up replacing them with speakerpower soon after, last I heard...

Joe picked my brain for like an hour about REW. That and debugging his inuke settings basically took up all my visit-time. I only spent like 5 minutes listening to his system. Pretty much the opposite of what I had initially planned, but it is what it is. I didn't even get to hear Donny's UMC-2/Oppo103D that he had brought over...

The only thing I learned was that the JTR mid is better sounding than the Fusion-12 mid. The entry-level JTR tweeter is best designed for narrow/deep rooms because IMO it's like listening to a laser beam, where as the SEOS-12 or 15 is more like listening to a cone of sound, and traditional HiFi speakers like B&W 800's are like listening to a wall of sound. Apples vs Oranges really. The differences were immediately obvious to me.

I find that once you get 10db over THX the SEOS's tend to bite your head off, they start to resonate in the 10-20khz region, that and, like most horned tweeters they start rolling off above 6khz. That's why I added a Fostex super to each of my fronts to flatten the response to ultra-sonics and reduce the resonances at higher SPL, as a result I can play my system a good 6db louder before any hint of ear fatigue or driver strain. Something you don't get with the flat-pack OOTBE. With stock XO's and at lower SPL's/watts, one would not notice these things nearly as much, especially an untrained/normal listener.

I've spent the last 10 years perfecting the active crossovers in my HT (mids and tweets in particular), trying to extract every last detail from the drivers in play. I use my HD800 headphones with balanced-power as a reference/guide, as well as my prior years owning B&W 803's.
n-th way speakers and DSP fine-tuning can make a WORLD of difference...
Mine sound nothing like the stock-experience.

My room also has a heavy amount of acoustical treatments. About 40% wall coverage to a depth of 1-12inches, with the averaging being around 3.5inches. This was required to keep my room from sounding like an echo chamber when uploading youtube vids.

The key with acoustical treatments is to apply enough of them to kill the echo, but not so many of them to kill the life of the sound system. It's a delicate balance.

Throughout most of the day, and especially at night, my room has an average noisefloor of about -5dbA to -15dbA. (With the amplifiers and electronics off that-is.)

Unfortunately all my FP clones are stock fans and I haven't enclosed my rack-room yet either, so it literally sounds like a blower-assisted SpaceX liftoff in there (I'd say ~45dbA at ~6ft); but once the watts come out you can't even hear yourself think, so it's all-good...
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post #34 of 46 Old 12-17-2019, 07:54 PM
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Your setup should be a AVS DIY destination site. Like of those historical sites you have to visit or something.
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I also agree about @BassThatHz 's theater being a mecca destination
Such kind words.

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though I am not sure I would enjoy singing an NDA, being blindfolded and transported by unmarked van
I'll try not to Jason Bourne ya too-much... Just don't test any of my hidden reflexes

...I can't promise that your ears will completely-survive however!
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post #35 of 46 Old 12-17-2019, 08:27 PM
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Quote:
Originally Posted by BassThatHz View Post
Such kind words.



I'll try not to Jason Bourne ya too-much... Just don't test any of my hidden reflexes

...I can't promise that your ears will completely-survive however!
Subscribed. No real offerings, other then a drooling 200 pound dog and great view. Did have car audio that clipped 105+ Db with ground shaking bass but...Still building my HT system that pales in comparison to most. However, I am in the 98272 area code so SIGN ME UP!!

@BassThatHz Bag and tag me. I want to hear!

AVR: Yamaha TSR-7850, Fronts: DCM TP260, Center: DCM TP160C, Sub: Premier Acoustic PA-150

Last edited by Deaf-Forever; 12-17-2019 at 08:40 PM. Reason: Grammor, and speling FFS!! More Spelling!
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post #36 of 46 Old 12-19-2019, 12:29 PM
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I'm in Seattle. DIY:

Speakers - Linkwitz LX521, Pluto, LX Mini coming soon
Dipole Subwoofers
Sound absorbers
Sound diffusers
Screen masking
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post #37 of 46 Old 12-19-2019, 07:15 PM
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Quote:
Originally Posted by BassThatHz View Post
I "should" have the 25th to the 4th off.
and then I won't be back home until spring...



You up for some giving some demos after you do your upgrade?
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post #38 of 46 Old 12-20-2019, 12:15 AM
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Quote:
Originally Posted by Pultzar View Post
I'm in Seattle. DIY:

Speakers - Linkwitz LX521, Pluto, LX Mini coming soon
Dipole Subwoofers
Sound absorbers
Sound diffusers
Screen masking
I'm definitely curious about the Linkwitz designs, how do you like them?
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post #39 of 46 Old 12-20-2019, 12:17 AM
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I'm definitely curious about the Linkwitz designs, how do you like them?
Pretty darn spectacular! (depending on your tastes of course)
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post #40 of 46 Old 12-20-2019, 12:23 AM
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Quote:
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Pretty darn spectacular! (depending on your tastes of course)
Once you get the Mini's completed I'd be curious how you find them as nearfield speakers if you don't mind trying -- I'm setting up a very small home office room and was considering those but integrated into a custom desk.
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post #41 of 46 Old 12-22-2019, 10:57 PM
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Quote:
Originally Posted by jjcook View Post
I'm in the Portland OR area. My room build is (still) just in its early phases of construction (since I'm the contractor :P).



I plan to eventually build mains as TPL150H + TD10M + TD18H (or similar drivers), surrounds using the Faital Pro 8HX200 coaxial driver, and band-passed subs using 4x 18TBW100 for 40Hz-~150Hz and 2x TBD for DC-40Hz. Using QSC DSP for all channels and CXDQ amps for mains.


You and I may have to collaborate at some point, we are both in Portland building diy mains using tpl-150hs and AE driver


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post #42 of 46 Old 12-22-2019, 10:59 PM
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Quote:
Originally Posted by BassThatHz View Post
I'm about a ~4 hour drive from Vancouver.



But if you listen to my system it will permanently ruin you forever. (and not in a good way, or maybe in a good way )



About a ~$100k DIY system.



29 DIY subwoofers and 100kW of FP clones, $7000 72 channel DIY active XO/DSP rig, in a purpose built structure.

Nearly flat from 2hz to 30khz.



My projector and seating is garbage though and I have no air conditioning (working on it...)



1 SAB-24 (4kW)

2 MalX-21's (9kW)

4 LMS-18's (16kW)

16 PA-460's (8kW)

6 UM-15's (12kW)

7 SEOS-12's (8kW) with 7 15" mids (8kW) as beds.



Marantz 7705 for Atmos DAC

72 channel Sabre Reference music/movie DAC



Working on assembling my new $2000 DIY Atmos heights this spring. (Beyma carbon fiber mid, Fostex supers, Dayton fiber woofers)



Just imagine, you'd never enjoy anything again(...Excellent Smithers!)

This is the problem all HiFi connoisseurs face; once you go forward you CAN'T go back...


Crazy! I have a hard time wrapping my head all of this.
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post #43 of 46 Old 02-12-2020, 06:01 PM
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I'll throw my hat into the ring as someone who is willing to help other DIYers in the greater Seattle area (I'm in Lynnwood these days). I don't have much to demo these days, but after I settle into the new house, I'll be working on a few projects.
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post #44 of 46 Old 02-13-2020, 03:28 PM
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Another PNW / Seattle ish area person here. Isn't there a "I'll demo" thread?I think I posted in that one.

@BassThatHz how about a demo day?

LG OLED55C6P calibrated
Denon X4400H 5.2.4
Denovo HTM-10
HSU Research surrounds
2x18" Dayton Ultimax sealed < Pro-LITE 7.5 amp < MiniDSP 2x4 HD
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post #45 of 46 Old 02-13-2020, 07:00 PM
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To clarify I have the following if anyone wants a demo:

Dayton Audio BR-1
Dayton Audio C-Notes
VBSS x4
~3.5 cft with HSU close out 12 tuned to 20 HZ
IB set up with two manifolds of six JBL CX/GX1200

Just send me a PM and we can work out the details
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post #46 of 46 Old 02-13-2020, 07:23 PM
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Quote:
Originally Posted by Craig S King View Post
You up for some giving some demos after you do your upgrade?
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Originally Posted by Fackamato View Post
@BassThatHz how about a demo day?
I'm currently in the process of buying a new place.
https://www.avsforum.com/forum/19-de...ossible-1.html
For the sole purpose of building HomeTheater v2 on the property.
(Yes... I'm that crazy!) The needs of the bass, out weigh the needs of the dry bedding. hehe!

Specifically because v1 wasn't good enough. Specifically: not soundproof enough.
Right now HT v1 is in the 115db-class of soundproofing, and I need closer to extreme-unlimited-class.
When I built HT v1 8 years ago I didn't have the budget, and now I do.

Long story short:
It will be a concrete-in-concrete room, on dual isolated slabs, and then a third isolated wood sub-floor.
So until that project is finished. I got only headphones.

The electronics, speakers and subwoofer will remain the same.
ALL of the money is going into the walls (about 6 figures into that, alone.)

I don't care about trim, or thousands of multi-color LED strings, or star patterns, or automation, or light-up cupholders and shoes when I skip, and other such useless garbage... if I can't play my system at full volume (without being taken out by a 5-star swat team.)

But absolutely... Once I complete it, I'll gladly torture you in my concrete underground human-experimentation lab.
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